1、硅烷偶联剂 Silane Coupling Agent (2)

硅烷偶联剂 又名硅烷处理剂、底涂剂，是一类具有特殊结构的低分子有机硅化合物，其通式为RSiX3，式中R代表与聚合物分子有亲和力或反应能力的活性官能团，如氧基、巯基、乙烯基、环氧基、酰胺基、氨丙基等;X代表能够水解的烷氧基，如卤素、烷氧基、酰氧基等。 硅烷偶联剂是在分子中具有两种以上不同反应基的有机硅单体，它可以和有机与无机材料发生化学键合 (偶联)，增加两种材料的粘接性。 通式中n为0～3的整数; X表示水解性官能基，它可与甲氧基、乙氧基、溶纤剂以及无机材料 (玻璃、金属、SiO2)等发生偶联反应; Y为有机官能团，如乙烯基、乙氧基、氨基、环氧基、甲基丙烯酰氧基、巯基等，可与无机材料、各种合成树脂、橡胶发生偶联反应。 典型硅烷 …

2、硅烷偶联剂/粘合促进剂

Silane coupling agents are effective for the improved adhesion at the interface between the organic and inorganic materials and have been frequently utilized to enhance the strength and improve the performance of glass-fiber reinforced plastics.

3、Silane Coupling Agents

What are Silane Coupling Agents? Silane coupling agents are compounds whose molecules contain functional groups that bond with both organic and inorganic materials. A silane coupling agent acts as a sort of intermediary which bonds organic materials to inorganic materials.

4、Silane Coupling Agents Application Guide

Best results are obtained in an unsaturated polyester-based FRP by using a vinyl – or methacryloxy-containing silane as the silane coupling agent.

硅烷偶联剂

硅烷偶联剂在制备有机聚合物与玻璃、矿物和金属等无机填料的复合材料中发挥着重要作用。 硅烷偶联剂的一般结构为 (RO)3-Si-R'-X，其中 X 为有机官能团，R'为小的亚烷基链节，RO 为可水解基团，如烷氧基。 有机官能团和烷氧基可分别与聚合物基体和填料颗粒形成强键。 恒达硅烷偶联剂包括氨基硅烷、甲基丙烯酸酯硅烷、环氧硅烷、乙烯基硅烷、巯基硅烷、烷基硅烷、硅酸乙酯、氯硅烷、异氰酸酯硅烷、苯基硅烷、脲基硅烷和硫硅烷。 它们广泛应用于玻璃纤维、电子、风电、涂料、粘合剂、XLPE 电线电缆和热水管、油田钻井、纺织、橡胶和铸造等领域，以提高应用产品的质量和性能。 硅烷偶联剂在制备有机聚合物与玻璃、矿物和金属等无机填料的复合材料中发挥着 …

Silane Coupling Agents

产品介绍 Silane coupling agents are a class of organosilicon compounds with a special structure, represented by the general formula Y-R-Si (OR')₃. Here, Y denotes organic functional groups (such as amino, epoxy, vinyl, etc.), R represents a short-chain alkyl group, and OR' signifies a hydrolyzable alkoxy group (such as methoxy, ethoxy). These products are capable of constructing a ...

Silane Coupling Agent

Silane coupling agents improve the mechanical properties of silica and silicate containing fillers. A chemical bond is formed between the filler and the rubber matrix. The generally used silane coupling agents are bis- (3-triethoxysilylpropyl)tetrasulfane and 3-thio-cyanatopropyl triethoxysilane.

Silane Coupling Agents

Many conventional coupling agents are frequently used in combination with 10-40% of a non-functional dipodal silane, where the conventional coupling agent provides the appropriate functionality for the application, and the non-functional dipodal silane provides increased durability.

Limitless silanes

The silane coupling agent treatment on the filler can provide better bonding of the pigment or filler to the resin, improved mixing, increased matrix strength and reduced viscosity of the uncured sealant or adhesive.

硅氧烷偶联剂

1. 什么是硅烷偶联剂？ 1.1 硅烷偶联剂简称SCA（silane coupling agent），通常以Y-R-SiX3表示其结构。 其中，X是卤素或烷氧基，在水的作用下，Si-X变成Si-OH，式中Y-R为有机硅碳功能性基团，Y代表的主要巯基、多硫…

Silane coupling agent SC100 is an important organosilicon compound widely used in coatings, adhesives, sealants, and other fields. It exhibits excellent chemical stability, adhesion properties, and aging resistance, making it highly promising for industrial applications. This article introduces the basic information, preparation methods, application range, and development prospects of SC100.

1. Basic Information

Silane coupling agent SC100 is a silicon-containing compound with a double bond, with the molecular formula Si(OCH₃)₄. Its structure contains two silicon atoms and a methyl group, allowing reactions with various organic groups. SC100 demonstrates good solubility in solvents such as toluene, xylene, and acetone. Additionally, it exhibits excellent heat resistance and light stability, maintaining performance under high temperatures and ultraviolet (UV) radiation.

2. Preparation Methods

The main methods for synthesizing SC100 include:

1. Silane Reaction Method: Using chlorosilane or hydrosilane as raw materials, SC100 is produced through hydrolysis and condensation reactions. This method is simple but yields low results, making it unsuitable for large-scale production.

2. Siloxane Ring-Opening Polymerization: Polysiloxane serves as the precursor, and SC100 is synthesized via ring-opening polymerization. While this approach achieves high yields, it requires strict temperature and pressure control.

3. Silane-Alcohol Condensation Method: By reacting silane with alcohols through condensation, SC100 is efficiently produced. This method offers high yields, mild reaction conditions, and scalability for industrial production.

3. Application Range

SC100 is extensively applied in industries, including:

1. Coatings: As a curing agent, SC100 enhances coating adhesion strength and weather resistance. It also improves anti-mold and antibacterial properties, extending the service life of coatings.

2. Adhesives: SC100 acts as a curing accelerator, improving adhesive strength and durability. It also prevents mold and bacterial growth, prolonging adhesive longevity.

3. Sealants: Used as a cross-linking agent, SC100 boosts sealant resistance to weathering and temperature fluctuations. It also enhances waterproofing, extending the material’s lifespan.

4. Development Prospects

With technological advancements and growing environmental awareness, SC100 holds broad potential. On one hand, demand for silane coupling agents will rise alongside the development of new materials. On the other hand, stricter environmental regulations will drive higher eco-friendly standards for these agents. Developing green, sustainable silane coupling agents to meet market needs will be a key focus for future innovation.